WORTH said:If your temp guage is acurate, 200 is not a problem, I run a 195 t-stat, mine is always around 200. with a 13 lb cap you can run about 240-250 without overheating.
Mike98GT said:puller fans are best. I highly reccommend an electric fan. and mounting through the radiator is fine, but if you make your own brakets it is VERY IMPORTANT that you mount the fan dirctly on the ratiator so that there is no gap between the radiator and the fan.
WORTH said:I don't know where you get your info, but pushing air is much more effecient than pulling, and as for tieing to the radiator, I've repaired many many radiators that morons tied fans to and the ties cut slots threw the tubes. And if you use a pusher it doesn't have to be touching the rad because it IS more effecient.
Ozsum2 said:You remind me of.......well, ME.
LMan said:theres nothing wrong with 200*. If you couldnt go to 200*, then a pressurized system wouldnt be needed, since you still have 12 degrees to go
Who started the urban legend that 200* was hot?
Ozsum2 said:Not me. Boiling point drops for every 500' you go up. Try 192*Or is it the other way around?
WORTH said:I don't know where you get your info, but pushing air is much more effecient than pulling, and as for tieing to the radiator, I've repaired many many radiators that morons tied fans to and the ties cut slots threw the tubes. And if you use a pusher it doesn't have to be touching the rad because it IS more effecient.
Mike98GT said:Then tell me why almost all new cars have puller fans.
Do you have any links or reference sources explaining why pushing is more efficient than pulling?WORTH said:I don't know where you get your info, but pushing air is much more effecient than pulling, and as for tieing to the radiator, I've repaired many many radiators that morons tied fans to and the ties cut slots threw the tubes. And if you use a pusher it doesn't have to be touching the rad because it IS more effecient.
Hack said:Do you have any links or reference sources explaining why pushing is more efficient than pulling?
It's counter intuitive to me.
Ozsum2 said:It's just the natural flow of things. The air is going into the radiator and the fan just helps it alone. With it being in front of the radiator, the air hits the radiator at the fastest speed after it leaves the fan, whereas, if it were a puller, the air hits the radiator and is slowed down for a spell until the puller fan pulls it on through.
Mike98GT said:I'll try to explain it the best way I can: With a puller there is no resistance such as the fan in the way, also the air speed is constant thoughout the depth on the radiator. With a pusher the air will slow down as it enters the radiator. That's the best I can explain it.
I see what you're saying, and I get the logic there. Have you seen any web sites or books, etc that back up what you're saying? I would think that if there's an appreciable difference, companies would explain the difference and try to sell pushers. Theoretically you could run a smaller fan or radiator with the more efficient set up - meaning less $$.Ozsum2 said:There is still resistance because the radiator slows it down. I want the air hitting the radiator as fast as posible, not the fan on the other side.
Hack said:I see what you're saying, and I get the logic there. Have you seen any web sites or books, etc that back up what you're saying? I would think that if there's an appreciable difference, companies would explain the difference and try to sell pushers. Theoretically you could run a smaller fan or radiator with the more efficient set up - meaning less $$.
Ozsum2 said:There is still resistance because the radiator slows it down. I want the air hitting the radiator as fast as posible, not the fan on the other side.
Good point about protection. On my step daughter's 92 Buick the fan mounting bracket got crushed when she rear ended someone.Ozsum2 said:No, I haven't looked. But, the manufacturers probably found out that a puller is adequate, only not as good as a pusher. Then, there is the design problems with it being in front of the radiator and with it being less protected up there. They probably wanted it more protected in the engine bay. Probably a trade off, but if a puller is good enough, what difference does it make.
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